Classification of Myoelectric Signal using Spectrogram Based Window Selection

  • Jingwei Too Universiti Teknikal Malaysia Melaka
  • A.R. Abdullah Universiti Teknikal Malaysia Melaka
  • Norhashimah Mohd Saad Universiti Teknikal Malaysia Melaka
  • N Mohd Ali Universiti Teknikal Malaysia Melaka
  • T.N.S. Tengku Zawawi Universiti Teknikal Malaysia Melaka

Abstract

This paper presents a study of the classification of myoelectric signal using spectrogram with different window sizes. The electromyography (EMG) signals of 40 hand movement types are collected from 10 subjects through NinaPro database. By employing spectrogram, the EMG signals are represented in time-frequency representation.  Ten features are extracted from spectrogram for performance evaluation. In this study, two classifiers namely support vector machine (SVM) and linear discriminate analysis (LDA) are used to evaluate the performance of spectrogram features in the classification of EMG signals. To determine the best window size in spectrogram, three different Hanning window sizes are examined. The experimental results indicate that by applying spectrogram with optimize window size and LDA, the highest mean classification accuracy of 91.29% is obtained.

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Published
05-09-2019
How to Cite
Too, J., Abdullah, A., Mohd Saad, N., Mohd Ali, N., & Tengku Zawawi, T. (2019). Classification of Myoelectric Signal using Spectrogram Based Window Selection. International Journal of Integrated Engineering, 11(4). Retrieved from https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4694